25% of what number is 13? I need to find the whole number

What is the vertex of g (x) = - 3x2 + 18x + 2?

Jack runs at an average speed of 4 miles for one hour. He then cycles 6 miles at 12 miles per hour. find his average speed for the whole journey.

Hailey received some cash for her birthday. She spend $14.48 on a CD and donated $25.00 to charity. She put half of what was left into her savings account. She has $17.76 left. How much did she receive on her birthday?

4. Use the Distributive Property to Simplify: 3 (5y + 9) 5. Use the Distributive Property to Simplify: 1/2 (10y + 14) 6. Write the equation for: Nine less than twice a number increased by 15 7.

75 people to 25 people Question 2 Find the percent of change. Round to the nearest tenth of a percent.

An orchestra of 120 players takes 40 minutes to preform a symphony. How long will it take for 60 players to preform the symphony

Name the next two numbers in the series: 128, 64, 16 ...

The triangle has boon reduced by a scale of 1. What is the area of the reduced trianglo? Maria solved the area problem below. What was her error? (1) (25,5) / 30) () = 76,5cm Maria solved the area problem below. What was her error? 25.

In 1980, Town A had a population of 1200 people and the population increased by 300 people each year. In 1980, Town B had a population of 500 people and the population increased by 12% each year.

A population increases 3% each year. If the city is now 5 million, what will the population be in 5 years?